package com.briup.jd2511.demo04.domain.extend;

import com.briup.jd2511.demo04.domain.Book;
import lombok.Getter;
import lombok.Setter;
import lombok.ToString;

@Getter
@Setter
@ToString(callSuper = true)
public class BookShopCarExtend extends Book {
    // 购物车中的数量
    private Integer num;
}
